In which county is ZIP code 54479 located?

ZIP 54479 is listed under Marathon, WI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 54479: Spencer, WI

ZIP: 54479

County: Marathon

Coordinates: 44.73910, -90.31140

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 54479, serving Spencer in WI. It lies in Marathon and supports delivery, planning, and address verification.

Primary City	Spencer
ZIP Code	54479
County	Marathon
State	WI
Latitude / Longitude	44.73910, -90.31140
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 54479 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 54479 are listed as 44.73910 / -90.31140, useful for GPS and service checks in and around Spencer, WI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 54479 for mail delivery and general location reference in Marathon, WI.

Some addresses near Spencer may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Spencer within WI.

Frequently Asked Questions

What is the primary city for ZIP code 54479?

The primary city for this ZIP code is Spencer, located in WI.

In which county is 54479 located?

ZIP code 54479 is situated within Marathon, WI.

What are the coordinates for 54479?

The approximate center point is 44.73910 (Latitude) and -90.31140 (Longitude).

Is ZIP code 54479 active?

This page lists ZIP 54479 as Listed based on the latest refresh date shown above.

Does ZIP 54479 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08